Golf-ball.



l"Patenten Ahh |902.;

I E. KEMPSHALL.

GULF BALL. (Application led M ar. 2 4, 1902.)

(No Mqdel.)

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UNITED STATES PATENT OFFICE.

ELEAZER KEMPSHALL, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO THE KEMPSHALL MANUFACTURING COMPANY, A CORPORATION OF NEW JERSEY.

`c;OLFABALI...

srscrrrcnrronrrmin part of Letters Patient No. 698,513, dated April 29, 1902. Application filed March 24, 1902. Serial No. 99,620. (No model.)

T0 all whom/t may concern.-

Be it known thatl'., ELEAZER KEMPsHALL, a citizen of the United States, residing in Boston, in the county of Suolk and State of Massachusetts, have invented certain newand useful Improvements in Golf-Balls, of which the following is a specification.

This invention relates to 4golf or similar playing balls; and; its object is to interlock the shell and filling of the ball.

A golf-ball maybe struck by the stick from a full `central stroke to a nearly-tangential stroke, the first one tending to impart sudden pressure of every molecule of the filling toward the inner side of the shell, bursting the shell, or at least disrupting it from the filling. A tangential stroke is liable to chip off part of the shell, thereby exposing the filling. My present invention obviates these defects by providing the shell with` apertures, into which by the process of manufacture part of the filling material is pressed, producing evenly-distributed and .effective means for interlocking the shell and filling.

In the drawings forming partofthe pres ent application, Figure 1 is a vertical crosssection of a pair of dies containing shell and filling, shown at the moment immediately be` fore final compression. Fig. 2 is a similar view after nal compression, showing the finished ball partly in section; and Fig. 3 is a cross-section of a part of a ball, showing the interlocking portions.

I combine a layer of Celluloid or other suitable material 1 and a layer of fabric 2 to forni shell-segments and provide the same with holes or apertures 3 of any desired shape by cutting, stamping, or otherwise into heatingdies 5 and 6. Within theshells is placed a sphere et of gutta-percha or other material. I bring the dies together with great force, the celluloid shell and the gutta-percha being heated and plastic. A small quantity of the plastic gutta-percha is pressed through each of the apertures 3 of the shell and the shell is pressed against and into the pits 7 of the dies. The ed es of the segments are welded together y reason` of the heat and compression. The ball may be kept under pressure and allowed to cool until the celluloid is suf- `lling entering the apertures of the shell.

The shell may be painted over, if desired, so

- that the dark spots caused by the gutta-percha will not show.

A golf-ball made according to `this invention willwithstand the usual handling in the game. Even if the shelllshould crack it is not liable to chip-off. The interlocking of the shell and filling near the weld of the shellsegments is particularly eificacious,"since it prevents the segments from lifting 0E from the filling in case the joint should open, or, in other Words, the jointis reinforced by means of the interlocking of the shell and filling at the equatorial portion of the ball.

It is not essential in all cases that the interlocking be effected by the precise means herein shown and other materials may be used within the scope of my invention. So longas the shell is keyed upon a sphere it is not essential always that said sphere be solid, since it may either be hollow or serve as a covering for an inner sphere.

Having described my invention, I claiml. A ball consisting of a shell having apertures, and a filling secured thereto by the penetration of said filling into said apertures.

filling.

5. A ball consisting of a shell, anda lling of gutta-percha interlockedtherewith 6. A ball comprising a'l sphere anda shell of plastic material and fabric keyed thereon.

7. A ball consisting of a filling of plastic material compressed by a shell which is formed of plastic material and fabric and is provided with Yopenings into which the material of tho filling is forced.

compressed and keyed thereon.

l1. A ball consisting of a shell made of oelluloid and a fabric, and a sphere of guttapercha upon which said shell is keyed.

l2. A ball consisting of a shell of Celluloid lined With fabric, and a sphere upon which said shell is keyed.

13. A ball comprising two spheres, one having perforations and the other having hobs 2o which interlock with said openings.

ELEAZER KEMPSHALL.

Witnesses:

B. C. STICKNEY, JOHN vO. SEIFERT. 

